2404431225 has 81 divisors (see below), whose sum is σ = 5020472847. Its totient is φ = 1096814880.

The previous prime is 2404431223. The next prime is 2404431251. The reversal of 2404431225 is 5221344042.

The square root of 2404431225 is 49035.

It is a perfect power (a square), and thus also a powerful number.

2404431225 is a `hidden beast` number, since 2 + 4 + 0 + 4 + 431 + 225 = 666.

It can be written as a sum of positive squares in only one way, i.e., 865595241 + 1538835984 = 29421^2 + 39228^2 .

It is not a de Polignac number, because 2404431225 - 2¹ = 2404431223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2404431223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 5148442 + ... + 5148908.

Almost surely, 2^2404431225 is an apocalyptic number.

2404431225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2404431225 is the 49035-th square number.

2404431225 is the 24518-th centered octagonal number.

It is an amenable number.

2404431225 is an abundant number, since it is smaller than the sum of its proper divisors (2616041622).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2404431225 is an equidigital number, since it uses as much as digits as its factorization.

2404431225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964 (or 482 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The cubic root of 2404431225 is about 1339.6893957824.

Adding to 2404431225 its reverse (5221344042), we get a palindrome (7625775267).

The spelling of 2404431225 in words is "two billion, four hundred four million, four hundred thirty-one thousand, two hundred twenty-five".